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推移畢氏
Author:
郭亮偉
GeoGebra
New Resources
異分母分數減法
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
柱體建築師
【案例】2013年安徽高考15题
Discover Resources
梯形面積---麥田圈
第三冊2-2練習11
翹翹板
仿真时钟2.0
GeoGebra数学资源（4-8年级）
Discover Topics
Expected Value
Frequency Distribution
Equilateral Triangles
Derivative
Arithmetic Operations